12th week of 2009 patent applcation highlights part 22 |
Patent application number | Title | Published |
20090073009 | SEMICONDUCTOR MEMORY DEVICE HAVING ERROR CORRECTION FUNCTION - A semiconductor memory device configured such that the time required for its access test can be reduced comprising a memory cell array, a row decoder, a column decoder, an error correction circuit, and an output circuit. The error correction circuit performs error correction on a code word read through the bit lines selected by the column decoder from ones of memory cells located at places at which the word line selected by the row decoder and the selected bit lines cross over, thereby detecting an error position in the code word to generate error detection data indicating the error position and corrects the information bit in the detected error position to generate error corrected data. The output circuit relays to the outside the error corrected data when a normal operation mode has been designated and the error detection data when a test operation mode has been designated. | 2009-03-19 |
20090073010 | DATA CONVERSION - A circuit includes a data conversion circuit including a first input configured to receive a first serial data stream, a second input configured to receive a second serial data stream, and a third input configured to receive a third serial data stream. A first sampling circuit is coupled to the first, second, and third inputs and is configured to sample the first to third data streams based on a plurality of clock signals and to generate a corresponding plurality of first sampled signals. A second sampling circuit is configured to sample the plurality of first sampled signals based on a further clock signal. The further clock signal has a clock frequency different from a clock frequency underlying the first to third serial data streams. | 2009-03-19 |
20090073011 | CIRCUIT AND METHOD FOR GAIN ERROR CORRECTION IN ADC - Gain errors are corrected in an ADC chip including an integrator ( | 2009-03-19 |
20090073012 | SELF-CALIBRATING DIGITAL-TO-ANALOG CONVERTER AND METHOD THEREOF - A digital-to-analog converter improves differential non-linearity by performing a calibration of at least one weighted cell in response to a calibration command. The digital-to-analog converter includes a group of weighted cells, a tunable cell having a tunable weight controlled by a tuning word, and a calibration cell to generate a combined output signal in response to a digital input word, the calibration command, and a calibration sequence. The digital-to-analog converter also includes a calibration circuit configured to sample and subsequently process the combined output signal to establish the tuning word in accordance with the calibration command and the calibration sequence. | 2009-03-19 |
20090073013 | METHOD FOR PERFORMING A DIGITAL TO ANALOG CONVERSION OF A DIGITAL SIGNAL, AND CORRESPONDING ELECTRONIC DEVICE - A method for processing a digital signal includes an elementary processing including a radiofrequency transposition with a radiofrequency transposition signal and a digital to analog conversion of the transposed digital signal for delivering a radiofrequency analog signal. The digital to analog conversion is controlled by a control signal and a power control signal, the control signal having a frequency twice the frequency of the radiofrequency transposition signal. Each transition of the radiofrequency transposition signal occurs between two consecutive pulses of said control signal. | 2009-03-19 |
20090073014 | CONVERTER AND METHOD FOR CONVERTING AN ANALOG SIGNAL AND COMPARATOR FOR USE IN SUCH CONVERSION - A converter may include an input terminal to receive a first analog signal, a digital-to-analog converter to provide second analog signals related to digital values applied to the digital-to-analog converter, a comparator to receive the first and second analog signals, the comparator comprising a variable gain amplifier to provide an output signal based on a difference between the first and second analog signals, a state machine to receive the output signal of the comparator and generating the digital values applied to the digital-to-analog converter based on the output signal of the comparator, and a controller to selectively set the gain of the variable gain amplifier. | 2009-03-19 |
20090073015 | System for displaying images - A system for displaying images is provided. A capacitor type digital-to-analog converter is coupled between a first node and a second node and generates a first analog signal according to a digital signal with N bit data. An analogue buffer is coupled between the second node and a third node and generates a second analog signal according to the first analog signal and a bias voltage. A first switch is coupled between a predetermined voltage and the second node. A second switch is coupled between the first node and the third node. A third switch is coupled between the third node and an analog output signal. The second switch is turned on and the third switch is turned off when the first switch is turned on, and the first and second switches are turned off when the third switch is turned on. | 2009-03-19 |
20090073016 | PIPELINED ANALOG-TO-DIGITAL CONVERTER - One embodiment of the present invention includes a pipelined analog-to-digital converter (ADC) comprising a plurality of pipeline stages. At least one of the plurality of pipeline stages comprises a feedback transistor-follower combination interconnected between a positive source voltage and a summation node and configured to set a voltage of the summation node approximately equal to a sample-and-hold voltage associated with a preceding one of the plurality of pipeline stages. The at least one of the plurality of pipeline stages also comprises a current mirror coupled to the feedback transistor-follower combination configured to provide a first current that is approximately equal to a second current that is associated with the feedback transistor-follower combination. The at least one of the plurality of pipeline stages further comprises an output resistor configured to set an output voltage of the respective at least one of the plurality of pipeline stages based on the first current. | 2009-03-19 |
20090073017 | ANALOGUE-DIGITAL CONVERTER USING JOSEPHSON DAC AND METHOD THEREOF - The present invention relates to an analog-to-digital converter (ADC) and an analog-to-digital conversion method employing a Josephson digital-to-analog converter (DAC) into an extremely accurate ADC of a physical metrology grade. The ADC includes: a front end ADC for converting an analog input signal into digital data; the Josephson DAC for receiving the digital data from the front end ADC and converting the received digital data into reference analog voltage; a differential ADC for extracting a difference voltage between a reference analog voltage of the Josephson DAC and an unknown input signal; and a data processor for summing output data of the differential ADC and output data of the front end ADC and outputting the summed result. The present invention enables to realize a highly stable Josephson ADC with little time and low cost, which is more accurate in a long-term as compared to any existing semiconductor measurement unit and has a performance that is rarely changed during a lifespan, by combining a programmable array and an existing semiconductor ADC. | 2009-03-19 |
20090073018 | High Speed High Resolution ADC Using Successive Approximation Technique - An analog to digital converter (ADC) containing a sub-ADC to resolve at least some of the bits using successive approximation principle (SAP), while providing various improvements. According to one aspect, another sub-ADC is used to resolve some of the bits in parallel. According to another aspect, the sub-ADC using SAP is implemented using a charge redistribution principle, while another sub-ADC does not rely on charge conservation. According to yet another aspect of the present invention, a same component operates as a comparator when the sub-ADC using SAP resolves the corresponding bits, and operates as an amplifier when the sub-ADC generates a residue signal. | 2009-03-19 |
20090073019 | A/D Convertion controlling device and image forming apparatus - A reference voltage generating unit generates a plurality of analog reference voltages, and an A/D converting unit converts the analog reference voltages thus generated and an analog input voltage input from an external device to digital reference values. A CPU generates, based on the analog reference voltages and the digital reference values converted from the analog reference voltages, an equation for correcting the analog input voltage to be converted to a digital value falling in a range of the digital reference values. With the equation generated, the CPU calculates the analog input voltage for the digital value obtained by conversion. | 2009-03-19 |
20090073020 | Parallel type analog-to-digital conversion circuit, sampling circuit and comparison amplification circuit - A parallel type analog-to-digital conversion circuit, including a reference signal generating portion and a comparison amplification portion, the comparison amplification portion including a plurality of amplifiers, input resetting switches, first sampling capacitors, second sampling capacitors, first sampling switches, and second sampling switches. | 2009-03-19 |
20090073021 | CASCADE COMPARATOR AND CONTROL METHOD THEREOF - A cascade comparator and a control method thereof are provided. By applying multi-phase clock signals to a plurality of comparators when the plurality of comparators are cascaded together so that each comparator is regenerated before the preceding comparator is reset, a hold switch does not need to be provided between the comparators. Therefore, it is possible to reduce the size and parasitic components of a circuit, operate the circuit at a high speed, remove a glitch caused by any hold switch, and accordingly improve system linearity. | 2009-03-19 |
20090073022 | ANALOG SIGNAL GENERATOR - The present invention provides an analog signal generator capable of simultaneously improving both items of the influence of noise on a peripheral circuit and the settling time for a desired voltage level. A D/A converter to which the analog signal generator is applied, is configured as follows. A controller supplies a fixed value to data generation units, which respectively generate data according to clock signals and output the same to a buffer unit. The buffer unit temporarily holds the data therein. Control signals generated from the controller are supplied to a selection unit or selector, which decodes the control signals and thereby generates selection signals to turn ON/OFF the output of the data held in the buffer unit in response to the selection signals, after which the corresponding data is supplied to a filter unit, where an analog signal is generated based on the data supplied to the filter unit. | 2009-03-19 |
20090073023 | Millimeter Wave (MMW) Screening Portal Systems, Devices and Methods - A millimeter-wave (MMW) based screening system is provided that may operate with an active sensor, a passive sensor, or in a dual mode using both the active and passive sensors. One or more such sensors are mounted so as to rotate along an axis that passes through a target region of detection, in which a person or object is positioned for screening. A reflector is disposed radially outward from the one or more rotating sensors to reflect MMW radiation between the sensors and the target region. The system may be employed as a portal screening system, and may include a structure having a wall and a roof, for rapidly screening persons for concealed objects. Algorithms may be employed to provide data output that avoids privacy issues. | 2009-03-19 |
20090073024 | SYSTEMS AND METHODS FOR AUTOMATICALLY DISABLING A TCAS BROADCAST - Systems and methods for automatically disabling the TCAS Broadcast when aircraft join up in formation. A Traffic Collision Avoidance System (TCAS) determines if the aircraft is approaching formation flight with other aircraft or flying in formation with other aircraft and disables a TCAS interrogation signal if the aircraft is determined to be approaching a formation or flying in formation. The TCAS receives TCAS interrogation signals from one or more other aircraft and receives aircraft configuration information from one or more other aircraft systems. The TCAS determines the aircraft is approaching formation flight or flying in formation based on the received TCAS interrogation signals, a mode of TCAS operation, and/or the received aircraft configuration information. The TCAS also automatically switches into Traffic Advisory Only mode if the aircraft is determined to be approaching formation flight or flying in formation. | 2009-03-19 |
20090073025 | RADAR APPARATUS, METHOD FOR CONTROLLING THE SAME, AND VEHICLE INCLUDING THE SAME - Provided is a radar apparatus that detects an object, and includes: an oscillating unit for generating carrier waves; first and second transmission units for spreading the carrier waves, respectively using a first pseudo-random code and a second pseudo-random code different from the first pseudo-random code; a first transmission antenna for transmitting the carrier waves spread by the first transmission unit; a second transmission antenna for transmitting the carrier waves spread by the second transmission unit and have a directional characteristic different from that of the carrier waves transmitted by the first transmission antenna; a reception antenna for receiving reflected waves that are the carrier waves that have been transmitted by the first and second transmission antennas and have been reflected from the object; and a reception unit for despreading the reflected waves, using the first pseudo-random code and despreading the reflected waves, using the second pseudo-random code. | 2009-03-19 |
20090073026 | RADAR APPARATUS - A radar apparatus can improve detection performance of a target, obtain high resolution without changing antenna construction, and suppress calculation load. A target detection unit, which calculates a distance, a relative speed, or a direction of the target based on frequency analysis results for a plurality of channels, includes a channel to channel integration unit that integrates, for each of the same frequencies, beat frequency spectra for the plurality of channels in the form of frequency analysis results for beat signals obtained for each of a plurality of receiving antennas, and a direction calculation unit that calculates the direction of the target from the beat frequency spectra for the plurality of channels. | 2009-03-19 |
20090073027 | METHODS AND APPARATUS FOR SELECTING A TARGET FROM RADAR TRACKING DATA - Methods and apparatus for selecting a target from radar data according to various aspects of the present invention operate in conjunction with a real-time data source and a countermeasure system. The real-time data source provides tracking information for at least one potential target from which a lead track associated with one target meeting a predetermined threshold requirement may be selected for engagement by the countermeasure system. | 2009-03-19 |
20090073028 | SYSTEM AND METHOD FOR DETECTION AND TRACKING OF TARGETS - System and method for detection and tracking of targets, which in a preferred embodiment is based on the use of fractional Fourier transformation of time-domain signals to compute projections of the auto and cross ambiguity functions along arbitrary line segments. The efficient computational algorithms of the preferred embodiment are used to detect the position and estimate the velocity of signals, such as those encountered by active or passive sensor systems. Various applications of the proposed algorithm in the analysis of time-frequency domain signals are also disclosed. | 2009-03-19 |
20090073029 | RADAR APPARATUS - A radar apparatus includes a PN code generator for generating a PN code, a variable delay device for delaying the PN code, an oscillator for generating a high-frequency signal, a transmission frequency multiplier for multiplying a frequency of a transmission differential signal obtained by being divided from the high-frequency signal by 3, a reception frequency multiplier for multiplying a frequency of a reception differential signal obtained by being divided from the high-frequency by 3, a transmitter for generating a radar wave by using the differential signal obtained through the multiplication by the transmission frequency multiplier and the PN code generated by the PN code generator, and a receiver for generating an in-phase signal and a quadrature signal from a reflected wave by using the differential signal obtained through the multiplication by the reception frequency multiplier and the PN code delayed by the delay device. | 2009-03-19 |
20090073030 | Transfer of position information of mobile terminal - The invention provides a method of combining satellite positioning system signals and position information derived from such signals in a mobile terminal, when these are available at a first location, with cellular communication signals and a method, system and apparatus for determining the approximate position information for the said mobile terminal when SPS signals are not available at a second location. The approximate position is determined in the mobile terminal only using a position difference vector derived from the cellular communication signals using time offsets in a method based on the observed time difference of arrival. The computations of cellular position and position difference information are made within the network infrastructure. The invention provides for the security of the user as only position difference information is communicated over the air interface, or transmission time offset measurements which require non-transmitted information to determine a solution. In a further aspect of the invention, the approximate position information is used to provide position assistance information to an SPS receiver for the purposes of (a) satellite signal acquisition with reduced search time and/or (b) initial position information for the calculation of SPS location which thereby avoids the ‘integer ambiguity’ problem resulting from the repetitive nature of the SPS ranging signals. In a further aspect of the invention, a method is disclosed whereby a plurality of cellular positioning measurements are combined, initially with SPS measurements and then without such measurements, to provide a combined cellular position information with improved accuracy and a dynamic model. | 2009-03-19 |
20090073031 | METHOD AND SYSTEM FOR MEASURING LOCATION USING ROUND TRIP TIME INFORMATION IN MOBILE COMMUNICATION NETWORK - A method and position estimating system for estimating a position of a mobile terminal is disclosed. In one embodiment, the position estimating system includes i) a base station configured to compute round trip time information of a mobile terminal, ii) a base station controller configured to receive the round trip time information of the mobile terminal, iii) a repeater configured to expand a service coverage of the mobile terminal, iv) a round trip time measuring unit, being connected to the repeater and configured to measure round trip time information of the repeater and v) a position estimating device configured to estimate the position of the mobile terminal by using the round trip time information of the mobile terminal and the round trip time information measured by the round trip time measuring unit. According to one embodiment, a position of the mobile terminal can be exactly computed by using round trip time and information, stored in a network management system. | 2009-03-19 |
20090073032 | Apparatus, system and method for global positioning, monitoring, and communication - The current invention relates to a positioning, monitoring, and/or communications device, system and method. The invention generally comprises an application utilizing a position determining system, a short range communication system, and a long range communication system, wherein all technologies are available to a user in one seamless utility. The invention further provides means for automatically switching to the desirable form or available form of the previous technologies as well as combinations thereof. | 2009-03-19 |
20090073033 | LEARNING A USER'S ACTIVITY PREFERENCES FROM GPS TRACES AND KNOWN NEARBY VENUES - A method for inferring activities to a user is provided. The system receives at least one location trace and corresponding contextual information. The system then derives a set of venues based on a venue database, wherein a respective hypothetical visit is associated with the contextual information corresponding to the location trace. The system derives a set of activity types associated with a context based on the venues, the corresponding context indicated by the location trace, and a venue-to-activity mapping. In addition, the system receives a user query context and identifies a number of activity types of which the associated contextual information is similar to the user query context. The system further weights a respective identified activity type based on its associated context's similarity to the user query context, normalizes weights associated with each identified activity type, and produces an activity-type probability distribution, thereby facilitating inferring activities associated with the user. | 2009-03-19 |
20090073034 | 4D GIS virtual reality for controlling, monitoring and prediction of manned/unmanned system - A method and system for multi-tracking among independent individuals without a monitoring center, where an individual is a person, a vehicle, or any other property, enables the individuals to be networked in a group and each individual to search and track other individuals of interest. The portable multi-tracking system is also capable of tracking personnel inside a building, where a self-contained positioning device provides continuous carrier's position information. In the open area a GPS (Global Positioning System) unit is activated to provide precision absolute position data which can be blended with the self-contained data to improve the accuracy and robustness of the positioning services. Thus the present invention provides excellent position tracking outside a building. | 2009-03-19 |
20090073035 | SATELLITE POSITIONING SYSTEM ENABLED TRAFFIC DETERMINATION - The present invention is directed to utilizing monitoring devices ( | 2009-03-19 |
20090073036 | METHODS FOR PROCESSING CORRECTION MESSAGES, CORRECTING POSITION MEASUREMENTS OF GNSS RECEIVER, AND RELATED APPARATUSES - Methods and apparatuses for processing correction messages in a GNSS receiver are provided. One of the proposed methods includes providing a first storage unit; receiving a plurality of correction messages from at least one data sources, wherein a plurality of assistance data are carried by the plurality of correction messages; and storing a portion of the assistance data in the first storage unit without storing remaining assistance data in the GNSS receiver. | 2009-03-19 |
20090073037 | GPS PROCESSING ARRANGEMENT - A software GPS processing arrangement comprising a FIFO buffer for receiving a stream of the GPS signal samples, a memory, a DMA controller for transferring the GPS signal samples from the FIFO buffer to the memory, a CPU running GPS signal processing software configured to retrieve the GPS signal samples from the memory and process them to obtain a position fix, and a counter operating independently of the DMA controller and the CPU for keeping count of the number of streamed GPS signal samples. | 2009-03-19 |
20090073038 | POSITIONING DEVICE, POSITIONING CONTROL METHOD, AND RECORDING MEDIUM - A positioning device includes a phase calculation section which performs a correlation process of a specific positioning base code replica and a positioning base code from a specific transmission source to calculate a present phase of the positioning base code, an estimated phase calculation section which calculates an estimated phase when estimating the present phase based on the phase used for preceding positioning, a Doppler shift of a frequency of a radio wave carrying the positioning base code, and an elapsed time from the preceding positioning, a phase difference evaluation section which determines whether or not a phase difference between the calculated present phase and the estimated phase is within a phase difference allowable range specified in advance, and a positioning section which locates a present position using the phase within the phase difference allowable range. | 2009-03-19 |
20090073039 | Satellite Ephemeris Error - A method of compensating for or correcting satellite ephemeris error involves measuring time difference of arrival (TDOA) and frequency difference of arrival (FDOA) for signal replicas received via two satellites ( | 2009-03-19 |
20090073040 | ADAPTIVE ARRAY CONTROL DEVICE, METHOD AND PROGRAM, AND ADAPTIVE ARRAY PROCESSING DEVICE, METHOD AND PROGRAM - [Object] By enabling accurate coefficient update, a high-quality array processing output which is less influenced by frequency characteristics and incoming directions of input signals control can be acquired, irrespective of the frequency characteristics and incoming direction of the input signals. [Achieving Means] Identification information of a target signal and interference by amplitude is corrected according to identification information of the target signal and the interference by phase, and with use of the correction result, identification of the target signal and the interference is performed. More specifically, an identification information generation section according to phase, a correction signal generation section, and a correction section are provided. | 2009-03-19 |
20090073041 | 1D OR 2D GONIOMETRY METHOD OF DIFFUSE SOURCES - A goniometry method for one or several diffuse (or distributed) sources is disclosed. The sources or sources having one or more give directions and a diffusion cone. The sources are received by an array of several sensors. The method breaks down the diffusion cone into a finite number L of diffusers. A diffuser has the parameters (θ | 2009-03-19 |
20090073042 | METHOD AND DEVICE FOR IMPROVED RADIO LINK PERFORMANCE - The present invention is related to a method for operating a mobile device comprising a navigation receiver and a communication terminal. The method comprises the steps of
| 2009-03-19 |
20090073043 | Apparatus for determining the location of a mobile node in a wireless system - A wireless system has a set of frequency channels that can be used for communication between a mobile node and a set of anchor nodes. The position of the mobile node is estimated by measuring the power with which wireless signals transmitted by the mobile node are received at the anchor nodes. Each anchor node cyclically scans the frequency channels, and can therefore measure the received power of wireless signals transmitted on any one of the frequency channels. When the mobile node is engaged in a call, if the measured received power drops by at least a certain amount, a quantity is added to the measured value to compensate for effects such as signal blockage by the user's hand. | 2009-03-19 |
20090073044 | Positioning system - The invention discloses a positioning system utilizing TOA or RSS algorithm to position a mobile device with a two-point positioning method. When the invention is applied to the two-point positioning method, there are several advantages, listed as follows: (1) more precise; (2) farther distance and range while positioning; (3) lower cost; and (4) more reliable than AOA algorithm. | 2009-03-19 |
20090073045 | ULTRASONIC MULTILATERATION SYSTEM FOR STRIDE VECTORING - A lateration system comprising at least one transmitter attached to a first object and configured to emit pulses, three or more receivers attached to at least one second object and configured to receive the pulses emitted by the transmitter, and a processor configured to process information received from the three or more receivers, and to generate a vector based on lateration. Lateration is one of multilateration and trilateration. The vector is used by the processor to constrain error growth in a navigation solution. | 2009-03-19 |
20090073046 | Wide-band Antenna and Related Dual-band Antenna - The present invention includes a wide-band antenna, which includes a grounding unit electrically connected to a ground, a radiating unit including a first radiator component extending along a first direction, and a second radiator component electrically connected to the first radiator component and extending along an opposite direction of the first direction, a shorting unit electrically connected between the first radiator component and the grounding unit, a feeding unit electrically connected to the first radiator component, and a connector unit electrically connected between the feeding unit and the grounding unit for receiving feeding signals. | 2009-03-19 |
20090073047 | Antenna System With Second-Order Diversity and Card for Wireless Communication Apparatus Which is Equipped With One Such Device - The present invention relates to an antenna system with a diversity order of 2 comprising on a same substrate comprising a metallization plane first and second radiating elements each constituted by an F-inverted type antenna printed on the metallization plane side, the first and second radiating elements being positioned perpendicularly to each other near the periphery of the substrate and being connected by their extremity forming a ground. | 2009-03-19 |
20090073048 | Broadband internal antenna combined with monopole antenna and loop antenna - Provided is a broadband internal antenna including a ground plate and an antenna unit. The antenna unit can include a feed point; a first radiator, formed with a bar shape having the feed point as one end part and the other end part from which an uncurved ‘C’ shape is extended; a ground point, connected to the ground plate; a second radiator, having one end part on which the ground point is mounted and the other end part that is connected to an area from which the uncurved ‘C’ shape of the first radiator starts to be formed in an open loop form; a first protrusion part, protruded from the uncurved ‘C’ shape of the first radiator to be formed in a closed loop form; and a second protrusion part, formed inside the open loop shape of the first radiator in an inverse L’ form. | 2009-03-19 |
20090073049 | Ultra compact UHF Satcom antenna - A miniature volumetric spherical geometry with multiple symmetric feeds is spaced from the surface of the vehicle or platform, with the antenna exhibiting both circular polarization that is orientation-independent or angle of arrival independent, while at the same time covering a broad band of frequencies from 243-318 MHz in one embodiment. | 2009-03-19 |
20090073050 | Dual band antenna - A dual band antenna is provided. The dual band antenna includes a radiating element, a grounding element, and a connection element. The radiating element has a first radiating portion and a second radiating portion, wherein the second radiating portion extends from the first radiating portion in a first direction parallel to the grounding element. The connecting element extends in a second direction and is connected between the radiating element and the grounding element, wherein the connecting element has a first end connected to the radiating element and a second end connected to the grounding element with an including angle between 0° and 90°, and a configuration including the connecting element, the radiating element and the grounding element has a Z-like shape. | 2009-03-19 |
20090073051 | FLAT DUAL-BAND ANTENNA - A flat dual-band antenna includes a radiating unit, a grounding unit and a feeding unit. One end of the grounding unit is connected with the radiating unit, and the other end of the grounding unit is grounded. The grounding unit has a gradual width-changing section. The radiating unit is divided into a first radiating portion and a second radiating portion by the grounding unit. The feeding unit is connected with the junction of the first and second radiating portions, and electrically connected with the radiating unit and the grounding unit. | 2009-03-19 |
20090073052 | Multi-band antenna - A multi-band antenna includes a grounding element located on a first plane, a connecting element extending from the grounding element to form a slot between the connecting element and the grounding element, a conductive portion extending from the connecting element, a first radiating portion, a second radiating portion, and a third radiating portion. The first radiating portion is narrower than the conductive portion and extends from an end of the conductive portion along a first direction. The second radiating portion is connected to the first radiating portion and extends along a second direction opposite to the first direction. The third radiating portion is narrower than the first radiating portion and extends from an end of the connecting element. | 2009-03-19 |
20090073053 | OPTICALLY DRIVEN ANTENNA - There is provided an optically driven, transmitting and receiving antenna transformable into an electrically invisible antenna when inactive, including a light source, a semiconductor wafer illuminatable by the light source and a microwave source or sensor. The wafer has a surface for forming optically induced plasma or electron hole concentration, assuming a spatial and temporal pattern defined by a light beam impinging thereon. Upon the wafer being exposed to the light beam having a power level sufficient for creating a dense plasma or electron hole concentration in the wafer, the wafer becomes reflective to microwaves, and returns to transparency when light from the light source is turned off. | 2009-03-19 |
20090073054 | PLANER ANTENNA STRUCTURE - A planer antenna structure includes a first planer antenna and a second planer antenna. The first planer antenna has a first axial orientation and a conductive antenna pattern on a first surface of a supporting substrate. The second planer antenna has a second axial orientation and the conductive antenna pattern on the first surface of the supporting substrate. | 2009-03-19 |
20090073055 | Folded Dipole Multi-Band Antenna - A loop antenna includes a ground plane and a conductive element with a first C-shaped element portion having an open end and a closed end, with only the open end extending directly above a first portion of the ground plane, a second C-shaped element portion having an open end and a closed end, with only the open end extending directly above a second portion of the ground plane, and a transmission line element disposed between the first C-shaped element portion and the second C-shaped element portion and positioned directly above a third portion of the ground plane. | 2009-03-19 |
20090073056 | Stylus arranged with antenna and portable wireless communication device having the same - A portable wireless communication device has a stylus and a main body. The stylus includes a pen tube and an antenna. The antenna is containable in the pen tube and separable from the pen tube. A portable wireless communication device includes a circuit board arranged in the main body, a containing groove and an antenna groove formed in the main body. The circuit board has a wireless communication unit. The containing groove is configured for containing the stylus. The antenna groove is configured for containing the antenna, and the antenna connects electrically to the wireless communication unit of the circuit board when the antenna is contained in the antenna groove. | 2009-03-19 |
20090073057 | Portable wireless communication apparatus - A portable wireless communication apparatus includes a body and a pen/antenna device. The body includes a circuit board disposed therein, a recess defined therein, a conductive resilient element disposed in the recess and connected to the circuit board and a touch panel provided on the body. The pen/antenna device includes a pen for use on the touch pane to control the portable wireless communication apparatus and a telescopic antenna connected to the pen. The telescopic antenna is connected to the circuit board through the conductive resilient element when a portion of the telescopic antenna is disposed in the recess. | 2009-03-19 |
20090073058 | Electric device and antenna module thereof - An electronic device and an antenna module thereof are provided. The electronic device includes a plurality of electronic elements and the antenna module. The antenna module includes a radiating body and a grounding body. The grounding body covers the electronic elements for being a shielding casing. A radio frequency resonance is formed between the radiating body and the grounding body. | 2009-03-19 |
20090073059 | Antenna and electrical apparatus including the same - An antenna includes antenna elements, an electric power feeding portion for supplying an electric power to each of the antenna elements, a short-circuit element for antenna matching electrically connected to the electric power feeding portion, and a ground connected to the short-circuit element. The antenna is built in a chassis made of a metal, and the chassis made of a metal and the ground are electrically connected to each other. | 2009-03-19 |
20090073060 | INFORMATION EQUIPMENT WITH A PLURALITY OF RADIO COMMUNICATION ANTENNAS - Information equipment according to an embodiment includes a display housing with a display unit, a first radio communication antenna disposed at an end part of the display housing, a second radio communication antenna using a frequency band adjacent to or overlapped with that of the first radio communication antenna, and a third radio communication antenna disposed at an end part between the first and the second radio communication antennas, and uses a frequency band not adjacent to nor overlapped with those of the first and the second radio communication antennas. | 2009-03-19 |
20090073061 | Pre-Alignment Outside An Antenna Measurement Range - A method is disclosed for optically pre-aligning and referencing an antenna set-up outside an antenna measurement range. The pre-alignment is performed in an integration room close to the antenna measurement range in order to avoid unnecessary occupation of the measurement range. The method teaches a technique using generally a pair of high accuracy theodolites (T | 2009-03-19 |
20090073062 | Antenna Selection Scheme for Multiple Antennae - A method and system to select an antenna from a plurality of antennae used for wireless communications. A first embodiment is a method to select an antenna from a plurality of antennae. The method includes monitoring at least one antenna during a fraction of at least one preamble period of a frame to derive at least one quality indicator corresponding to the antenna; storing the quality indicator derived from monitoring the antenna during the fraction of the preamble period of a frame; and selectively switching to a selected antenna after a number of frames, based on the quality indicator. A second embodiment is another method to select an antenna from a plurality of antennae. These embodiments can be applied in several wireless communication applications using multiple antennae including, but not limited to, WiMAX applications. | 2009-03-19 |
20090073063 | METHOD AND APPARATUS FOR POLARIZATION DISPLAY OF ANTENNA - The invention discloses a method and apparatus for polarization display of antenna. The apparatus for polarization display of antenna comprises a selecting means for selecting a plurality of predetermined radiation directions from radiation directions of an antenna, a mapping means for mapping the plurality of predetermined radiation directions into a coordinates chart, an obtaining means for obtaining corresponding radiation data for the antenna in the plurality of predetermined radiation directions, and a plotting means for plotting a polarization pattern of the antenna in the plurality of predetermined radiation directions on the coordinates chart, according to the radiation data. With the method and apparatus of the invention, all polarization information of the antenna in each radiation direction can be provided with only one FIGURE. | 2009-03-19 |
20090073064 | SYSTEM FOR ELECTRONICALLY ALIGNING THE POLARIZATION OF AN ANTENNA - This invention concerns a system ( | 2009-03-19 |
20090073065 | Tunable Dielectric Resonator Circuit - An antenna comprising a layer of conductor having an edge, and a slot in the layer of conductor wherein conductor is absent, the slot having first and second opposing longitudinal ends and being opened to the edge at the first longitudinal end and not open to the edge at the second longitudinal end. | 2009-03-19 |
20090073066 | Grid Antenna - An antenna comprising a layer of conductor having a plurality of non-conductive slits disposed therein, each slit comprising a longitudinal dimension greater than a transverse direction, a feed line disposed beneath the layer of conductor to couple signal energy between the feed line and the slits, wherein the feed line crosses each slit in the transverse direction at least once, and a dielectric layer separating the layer of conductor from the feed line. | 2009-03-19 |
20090073067 | ANTENNA WITH ONE OR MORE HOLES - A new type of multihole antenna which is mainly suitable for mobile communications or in general to any other application where the integration of telecom systems or applications in a single antenna is important. The antenna includes a radiating element which at least includes one hole. By means of this configuration, the antenna provides a broadband and multiband performance, and hence it features a similar behaviour through different frequency bands. Also, the antenna features a smaller size with respect to other prior art antennas operating at the same frequency. | 2009-03-19 |
20090073068 | Rod Antenna Device - A device of a rod antenna comprising a supply transformer and first and second beam elements, wherein both beam elements are provided with a ferrite material. | 2009-03-19 |
20090073069 | Robust communications antenna - A robust low profile antenna well suited for deployment on the lids of cavities, such as manholes is described. The antenna is constructed from a coaxial cable for use proximate to a structural surface. The antenna is formed by folding back an outer metallic braid of an end of the coaxial cable to a length that approximately matches ¼ of a wavelength of a desired operating frequency times a velocity factor of the coaxial cable. Next, the radiative element is formed by exposing the center conductor from the end of the coaxial cable to a length that approximately matches ¼ of the wavelength of the operating frequency multiplied by the composite velocity factor being based on a dielectric encasing of the coaxial cable and the distance of the antenna from the structural surface. The antenna is oriented substantially parallel to the structural surface. The resulting antenna is of a comparable size to the coaxial cable. | 2009-03-19 |
20090073070 | DUAL BAND ANTENNA AND METHODS FOR USE THEREWITH - A dual band antenna includes a far field antenna structure for facilitating the communication of first data with a remote device via far field signaling in a millimeter wave band. A near field antenna structure facilitates the communication of second data with a remote device via near field signaling in a near field band. The far field antenna structure and the near field antenna structure share at least one common antenna element. | 2009-03-19 |
20090073071 | DUAL BROADBAND DIPOLE ARRAY ANTENNA - A dual broadband dipole array antenna has a grounding structure, a circuit module and two feeding boards. The grounding structure is a conductive hexagonal container with two open ends and has two opposite parallel panels. The circuit module is a transmitting antenna module, is phase reversible and has two feeding wires. The feeding wires of the circuit module are respectively mounted centrally through the parallel panels and each feeding wire is electrically connected to the corresponding feeding board. When in use, the dual broadband dipole array antenna transmits signals covering EGSM900 (880-960 MHz), GSM1800 (1710-1880 MHz) and PCS (1820-1970 MHz). | 2009-03-19 |
20090073072 | ANTENNA FOR SATELLITE RECEPTION - There is disclosed an antenna for reception of circularly polarized satellite radio signals. The antenna comprises at least one two-dimensional or three-dimensional antenna conductor structure connected with an antenna output connector. The multi-dimensional antenna conductor structure is configured so that it comprises a plurality of antenna conductor sections, which, with reference to a spatial reference point (z) common to the antenna conductor sections, are disposed in pairs, symmetrically and extending in the same direction. The multi-dimensional antenna conductor structure is furthermore configured so that during reciprocal operation of the antenna as a transmission antenna, antenna currents having at least approximately the same size flow in the individual pairs of antenna conductor sections, and the arithmetical average of the current phases of these antenna currents, counted in the same direction, in each instance, in the antenna conductor sections of each pair, has at least approximately the same value in the case of essentially all the pairs of antenna conductor sections, with reference to a common phase reference point (B), during reciprocal operation of the antenna as a transmission antenna. Such an antenna receives left-rotating circularly polarized waves and right-rotating circularly polarized waves equally. The vertical radiation diagram can be filled up towards low elevation angles by means of a vertical, electrically short monopole disposed at the phase reference point (B), whose reception signal is superimposed on that of the antenna conductor structure. | 2009-03-19 |
20090073073 | Foldable Reflect Array - A foldable reflect array may include a plurality of geometrically-flat reflect antennas. Each of the reflect antennas may include a respective plurality of antenna elements to receive and retransmit an incident wavefront, and each of the plurality of reflect antennas may be foldably coupled to at least one other of the plurality of reflect antennas. | 2009-03-19 |
20090073074 | WIDE BAND CO-PLANAR WAVEGUIDE FEEDING CIRCULARLY POLARIZED ANTENNA - A wide band co-planar waveguide feeding circularly polarized antenna is disclosed. The wide band co-planar waveguide feeding circularly polarized antenna comprises: a substrate having a surface; a signal feeding unit located on the surface and comprising a feeding bar, a matching portion, a first extended portion, and a second extended portion; a first ground unit located on the surface and having a first ground bar; and a second ground unit located on the surface and having a second ground bar; wherein, the first extended portion and the second extended portion are respectively extended from the matching portion. Besides, the matching portion is electrically connected with the feeding bar, the first extended portion and the second extended portion. Moreover, the feeding bar is located between the first ground bar and the second ground bar. | 2009-03-19 |
20090073075 | Dual Polarized Low Profile Antenna - In one embodiment of the disclosure, a dual polarized antenna includes first and second active elements and at least one parasitic element disposed a predetermined distance from the first and second active elements. Circuitry is coupled to the first and second active elements and operable to generate electro-magnetic energy from the first and second active elements along a direction of propagation. The first active element having a direction of polarization that is different than a direction of polarization of the second active element. | 2009-03-19 |
20090073076 | ADAPTIVE ANTENNA MATCHING - The present invention relates to a portable communication device and a method of controlling the matching of an antenna in a portable communication device. The device may include an antenna; a radio circuit to send a radio frequency signal to the antenna via a signal path; a matching network including a number of network components and configured to be in the signal path; a detector configured to detect an electromagnetic field from the antenna; and a control unit configured to control matching of the antenna by influencing at least one of the first matching network or the antenna based on the detected electromagnetic field. | 2009-03-19 |
20090073077 | ARRANGEMENT OF AN ANTENNA ON A CONTAINER - An antenna carrier ( | 2009-03-19 |
20090073078 | Systems, Methods and Apparatuses for High Power Complementary Metal Oxide Semiconductor (CMOS) Antenna Switches Using Body Switching and External Component in Multi-Stacking Structure - Embodiments of the invention may provide for a CMOS antenna switch, which may be referred to as a CMOS SPDT switch. The CMOS antenna switch may operate at a plurality of frequencies, perhaps around 900 MHz, 1.9 GHz and 2.1 GHz according to an embodiment of the invention. The CMOS antenna switch may include both a receiver switch and a transmit switch. The receiver switch may utilize a multi-stack transistor with body substrate switching and attachment of external capacitor between drain and gate to block high power signals from the transmit path as well as to maintain low insertion loss at the receiver path. Exemplary embodiments of the CMOS antenna switch may provide for 38 dBm P 0.1 dB at multi bands (e.g., 900 MHz, 1.8 GHz, and 2.1 GHz). In addition, −60 dBc second and third harmonic performance up to 30 dBm input, may be obtained according to example embodiments of the invention. | 2009-03-19 |
20090073079 | TILED PASSIVE MATRIX ELECTRO-LUMINESCENT DISPLAY - A tiled, passive-matrix, EL display, including two or more EL tiles, each EL tile including an array of rows and columns of light-emitting elements, each light-emitting element being formed from a light-emitting layer that is sandwiched between an orthogonal array of row and column electrodes wherein each of the two or more EL tiles further include at least one row driver; at least one column driver for operating in conjunction with each of the at least one row drivers to control the flow of electrons between the row and column electrodes to control the emission of light from each of the light-emitting elements, with a first exception that when the boundary between the two tiles is to be illuminated, then the number of rows of simultaneously illuminated rows of light-emitting elements within one tile is less than the predetermined number. | 2009-03-19 |
20090073080 | Seam hider for tiled displays - A tiled display ( | 2009-03-19 |
20090073081 | Display apparatus - A display apparatus has an image display unit that displays a virtual image by projecting an image light to a windshield, and an obstacle detector that detects an obstacle existing around the vehicle as well as a safety determination unit that determines safety of the vehicle relative to the detected obstacle based at least on one of a distance from the obstacle and a relative speed of the vehicle relative to the obstacle. The display apparatus also has an image control unit that controls a position of the virtual image to circle around the obstacle in a view of a driver when the obstacle is determined to be unsafe by the safety determination unit. | 2009-03-19 |
20090073082 | Head mount display - A head mount display includes: an image display unit at which an image is displayed; an arm that supports the image display unit while allowing an orientation of the image display unit to be adjusted; a mounting unit that supports the arm and is used to attach the head mount display to a user; and | 2009-03-19 |
20090073083 | Head-mounted display - A headphone ( | 2009-03-19 |
20090073084 | WIRELESS DEVICES WITH FLEXIBLE MONITORS AND KEYBOARDS - A portable device (e.g., a wireless device such as a cell phone) is provided with a flexible keyboard and a flexible display screen. Such flexible components may be stored in the housing of the portable device when not in use. The flexible display screen and flexible keyboard may be expanded from the housing when the flexible components are utilized by a user. | 2009-03-19 |
20090073085 | IMAGE DISPLAY DEVICE, MOIRE PREVENTING FILM, OPTICAL FILTER, PLASMA DISPLAY FILTER, AND IMAGE DISPLAY PANEL - An image display device comprises an electromagnetic shielding film and a moire preventing film attached thereto. The electromagnetic shielding film has a conductive portion and an opening portion, and the moire preventing film has a moire preventing part. When the conductive portion and the opening portion form a mesh pattern, the moire preventing part may be formed approximately at the center of the opening portion, and may be formed on an intersection of the mesh pattern. | 2009-03-19 |
20090073086 | Light emitting display device - A light guiding plate is provided on the obverse side of a display for displaying a display image while varying the display image. Unevenness is formed at a predetermined position at a reverse surface of the light guiding plate. A light emitting element is disposed at the side surface of the light guiding plate in such a manner as to introduce the light to the light guiding plate. Alternatively, an uneven portion in conformity with a pattern of a desired display image may be formed at a reverse surface of the light guiding plate, and a light emitting element is disposed at the side surface of the light guiding plate in such a manner as to introduce the light to the light guiding plate. | 2009-03-19 |
20090073087 | Photostructured imaging display panels - Photostructurable glass and ceramic materials in slabs are processed into pixelized screens having opaque baffles therein for defining therebetween light pipes in the material through which pixel light is passed and directed with limited fields of view and for stereoscopic viewing, the screens being made using various manufacturing processes included focused UV light exposure and baking of the photostructurable material. | 2009-03-19 |
20090073088 | Multi-primary color display and color filter - When the coordinates of multiple primaries are set within specific ranges in a chromaticity diagram (e.g. the CIE 1931 chromaticity diagram), the proportion of the contrast ratio of one primary to the contrast ratio of the other primary should conform to some requirements to achieve the white balance of dark-state, so as to effectively display the natural color and mitigate the color shift of low-luminance images. | 2009-03-19 |
20090073089 | DISPLAY PANEL AND ELECTRONIC SYSTEM UTILIZING THE SAME - A display panel including a pixel unit and a scan line. The pixel unit includes a first sub-pixel, a second sub-pixel, and a third sub-pixel. The scan line is coupled to the first, the second, and the third sub-pixels and comprises a first side and a second side. The first sub-pixel is disposed on the first side and the second sub-pixel is disposed on the second side. | 2009-03-19 |
20090073090 | Digital signal processing apparatus, liquid crystal display apparatus, digital signal processing method and computer program - A digital-signal processing apparatus for processing elementary-color data to be output to a liquid-crystal display apparatus having a color panel structure, the digital-signal processing apparatus including: a line-unit weight-coefficient sum computation section; a compensation-coefficient computation section; a partial-weight-coefficient-sum computation section; a first-compensation-quantity-component computation section; a second-compensation-quantity-component computation section; a compensation-quantity computation section; a line memory used for applying a 1-line period extension process to each elementary-color data; and a horizontal-cross-talk compensation section for successively compensating each elementary-color data, which has been subjected to the 1-line period extension process in the line memory. | 2009-03-19 |
20090073091 | PLASMA DISPLAY APPARATUS AND METHOD OF DRIVING THE SAME - A plasma display apparatus and a method of driving the same are disclosed. The plasma display apparatus includes a plasma display panel including scan and sustain electrodes, a scan driver, and a sustain driver. The scan driver supplies a first reset signal, of which a lowest voltage is a first voltage, to the scan electrode during reset periods of a plurality of subfields and supplies a scan signal, of which a lowest voltage is a third voltage lower than the first voltage, to the scan electrode during address periods. The sustain driver supplies a first sustain bias voltage to the sustain electrode during the reset periods and supplies a second sustain bias voltage higher than the first sustain bias voltage to the sustain electrode during the address periods. | 2009-03-19 |
20090073092 | Display Device - In one embodiment, a display device of the present invention includes capacitors provided between a gate and a source of a driver TFT. During a select period, a voltage is fed to the gate terminal of the driver TFT, and a voltage is fed to the source terminal of the driver TFT. Thereafter, during a threshold correction period, the gate voltage of the driver TFT is retained to make the source voltage of the driver TFT equal to Vda−Vth (2009-03-19 | |
20090073093 | Display Device and Electronic Apparatus - According to one feature of the invention, a display device comprises a pixel including a first sub-pixel having a first light-emitting element and a second sub-pixel having a second light-emitting element, a first source driver connected to a first source line included in the first sub-pixel, and a second source driver connected to a second source line included in the second sub-pixel. The first sub-pixel and the second sub-pixel are provided over one surface of a light-transmitting substrate, and a first display region using the first sub-pixel over one surface of the substrate and a second display region using the second sub-pixel over the opposite surface the substrate are provided. Accordingly, it is possible to provide a display device that realizes sophistication and a high added value, which includes a display region in each of one and the opposite sides. | 2009-03-19 |
20090073094 | IMAGE DISPLAY DEVICE - To detect reduction of luminous efficiency of respective light-emitting elements arranged in a matrix state while suppressing increase of costs. | 2009-03-19 |
20090073095 | Display device and driving method of display device - The present invention sets a display device for displaying a desired image on a display section, the display section being formed by arranging pixels in a form of a matrix, by outputting a driving signal for a signal line and a writing signal to the signal line and a scanning line of the display section by a horizontal driving circuit and a vertical driving circuit, wherein the pixel includes a light emitting element, a signal level storage capacitor, a transistor for writing. | 2009-03-19 |
20090073096 | PROGRAMMABLE LED DRIVER - An LED driver includes an embedded non-volatile memory (NVM) capable of being programmed and storing control data for setting a variety of features of the LED driver, such as the maximum current for driving the LEDs, analog parameters such as the resistance of the internal resistor for setting the reference current for the LEDs, and the operation modes of the charge pump of the LED driver. This enables implementation of multiple LED driver product options without the need for different metallization steps during the fabrication process for the LED driver. | 2009-03-19 |
20090073097 | LIQUID CRYSTAL DISPLAY - The liquid crystal display comprises a first substrate including a first pixel electrode and a second pixel electrode, a second substrate with an opposed electrode formed on, and a liquid crystal layer sealed between the first substrate and the second substrate. The thickness d | 2009-03-19 |
20090073098 | Display module with identification circuit on panel - An exemplary display module includes a panel and an identification circuit including at least two resistors. The identification circuit is disposed on the panel. | 2009-03-19 |
20090073099 | DISPLAY COMPRISING A PLURALITY OF PIXELS AND A DEVICE COMPRISING SUCH A DISPLAY - A liquid crystal display is provided to include a display panel with a plurality of pixels, which are arranged in rows and columns in a matrix form. Each pixel has a plurality of sub-pixels of first, second, third and fourth sub-pixel types, respectively, corresponding to red, green, blue and white (RGBW) colors and interleaved together. Each succession of first, second, and third sub-pixels form a first sub-pixel group, and a subsequent fourth sub-pixel forms a second sub-pixel group. The sub-pixels are arranged such that the second type of the sub-pixels and the fourth type of the sub-pixels are in a same column. In each row, the sub-pixel in a rightmost column is of the same sub-pixel type as the sub-pixel in a leftmost column of that row. | 2009-03-19 |
20090073100 | SIGNAL TRANSMISSION FILM AND A LIQUID CRYSTAL DISPLAY PANEL HAVING THE SAME - A liquid crystal display of compact size is disclosed. The liquid crystal display has a signal transmission film and a single integrated PCB for processing a gate driving signal and data driving signal. The signal transmission film includes a base substrate, a gate driver IC formed on said base substrate, an input pattern formed on said base substrate that applies gate driving signals input from an external device to the gate driver IC, a first output pattern formed on said base substrate that outputs a first gate driving signal processed in said gate driver IC, and a second output pattern formed on said base substrate, that outputs a second gate driving signal bypassing the gate driver IC among the gate driving signals. | 2009-03-19 |
20090073101 | Software driven display restore mechanism - A method and system for restoring output to a display device. The method includes receiving a request to restore the output, modifying output settings so output is visible on a display device, and invoking an output configuration application. The method and system allow a user to restore the output on a display device after the output has been configured to settings which exceed the capabilities of the display device. | 2009-03-19 |
20090073102 | Hardware driven display restore mechanism - A method and system for restoring output to a display device. The method includes receiving a request to restore the output, modifying output timing so output is visible on a display device, and invoking an output configuration application. The method and system allow a user to restore the output on a display device after the output has been configured to settings which exceed the capabilities of the display device. | 2009-03-19 |
20090073103 | LIQUID CRYSTAL DISPLAY DEVICE AND DRIVING METHOD THEREOF - A liquid crystal display device includes: a pixel region including a plurality of pixels; a plurality of storage capacitance lines; a storage capacitor connected between a pixel electrode of each of the pixels and each of the storage capacitance lines; a polarity signal generating circuit that generates a polarity signal, which is repeatedly inverted between a first level and a second level for every frame, in a display region of the pixel region where an image is displayed and that fixes the polarity signal to the first level or the second level in a non-display region where an image is not displayed; a first switching element that switches an electric potential of the storage capacitance line according to the polarity signal generated by the polarity signal generating circuit; and a control circuit that when the display region is changed to the non-display region, makes a control such that a refresh operation of writing a signal corresponding to non-display into the pixel electrode of the pixel corresponding to the non-display region is intermittently performed in some frames and the refresh operation is performed in two or more continuous frames. | 2009-03-19 |
20090073104 | Liquid crystal display capable of split-screen displaying and computer system using same - An exemplary liquid crystal display includes a liquid crystal panel having at least two pixel regions, a mode selector configured to provide a mode selection signal, and a timing controller configured to receive at least two video signal sets and in response to the mode selection signal, control the liquid crystal panel to display a picture corresponding to one of the at least two video signal sets using full-screen displaying or to simultaneously display at least two pictures, each of the at least two pictures corresponding to one of the at least two video signal sets using split-screen displaying. Each of the at least two pixel regions corresponds to one of the at least two pictures while using the split-screen displaying. A related computer system is also provided. | 2009-03-19 |
20090073105 | Shift register and liquid crystal display using same - An exemplary shift register includes a plurality of shift register units, each of which includes an output circuit, an input circuit, and a logic circuit. The output circuit includes a clock transistor, a voltage stabilizing transistor, and an input circuit for receiving signals output by a previous shift register unit. The logic circuit receives signals output by the input circuit. When the input circuit outputs signals to switch on the clock transistor, the logic circuit outputs a low level voltage signal to shut off the voltage stabilizing transistor. Thus, the output circuit outputs signals via the clock circuit. On the other hand, when the input circuit outputs signals to shut off the clock transistor, the logic circuit outputs a high level voltage signal to turn on the voltage stabilizing transistor, so as to maintain the output circuit to output low level voltage signal. | 2009-03-19 |
20090073106 | LIQUID CRYSTAL DISPLAY APPARATUS - In a liquid crystal display apparatus of an OCB type, a frame inversion drive is carried out to invert the polarities of a white level voltage and a black level voltage in conformity with the polarity of an opposed voltage on the frame-to-frame basis, so that the amplitudes of the black level voltage and the white level voltage decrease with rise in environmental temperature. | 2009-03-19 |
20090073107 | DISPLAY DEVICE, MANUFACTURING METHOD THEREOF, CONTROL METHOD THEREOF, AND OPTOELECTRONIC DEVICE - A display device including a liquid crystal display (LCD) panel, a backlight module, and a photo-sensing device is provided. The backlight module is disposed below the LCD panel and is suitable for providing a light source. The photo-sensing device is built in the LCD panel and includes a plurality of photo-sensors having different illumination sensing capabilities. The backlight module modulates the output intensity of the light source according to the sensed result of one of the photo-sensors. Thereby, the display device can precisely modulate the intensity of the back light according to the intensity of ambient light so as to improve the contrast ratio and to reduce the power consumption. | 2009-03-19 |
20090073108 | High Efficiency Display Utilizing Simultaneous Color Intelligent Backlighting and Luminescence Controllling Shutters - A display comprises a front-end component having a matrix of neutral light valves that defines the resolution of the display. A backlight unit provides backlighting for the front-end component and has a plurality of individual elements grouped into repeat units, wherein the individual elements in the repeat units differ in color and the repeat units have a resolution less than the display resolution. All individual elements in individual repeat units are capable of simultaneously emitting light incident on more than one neutral light valve. | 2009-03-19 |